a) filelist.txt: this file
b) readme.txt contains information on the data collection and methodology
c) DOAJ_Licenses_June_2014.ods contains the data on frequencies and shares of Open Access journals using Creative Commons Licenses (comparing journals from all disciplines and sociologial journals) 
d) doaj_2014-05-07_1330_utf8.csv is a CSV file with metadata on journals listed by the DOAJ downloaded on 2014-08-06
e) doaj_sociology-2014-05-07.csv contains the subset of sociological journals produced with the file described under c)
f) R_commands_output.txt contains the R commands to load the data and produce the results as well as the results